Description
UM-Type ER-25 Collect Chuck Nut ~ Balanced to 18,000 RPM ~ Tolerance is .0003″ Maximum ~ Material is 42 CrMo ~ Hardness is HRC 50-52 ~ Thread Tolerance Class is 4H-Class ~ Thread is M32 X 1.5 ~ D is 42 mm ~ L is 20 mm Balanced to 18,000 RPM Tolerance is .0003″ Maximum Thread Tolerance Class: 4H-Class Material is 42 CrMo Hardness is HRC 50-52
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